# -*- coding: utf-8 -*-
"""
Created on Wed Apr 15 10:09:46 2020

@author: wjx
"""
#一
#1. '\d*(\.\d+)?'
#2. '\d{4}-([1-9])|(1[012])-([012])|([0-9])'
#3.
'\d{5,11}'
#4.
'1[3-9]\d{9}'
#5.
'\w{8,10}'
#6.
'[0-9a-zA-Z]{4}'
#7.
'\w+@[a-z]+\.com'
#8.
#10.
'<.+>?'
